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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,947 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningAltstätten SgSIAX GmbH
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SIAX GmbH

Summary

About the company

The core activity of SIAX Spezialreinigungen GmbH is the execution of specialized cleaning services, in particular: facade cleaning (plaster, Eternit, concrete, metal), window cleaning, shutter cleaning, roof cleaning, solar/photovoltaic cleaning, sidewalk slab cleaning, and concrete cleaning and hydrophobization. The company offers these services for various object sizes (small objects such as single-family homes and large objects such as industrial buildings) in different regions of Switzerland and in Liechtenstein.

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Products & services

Industry:Facility Management & Cleaning
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Window cleaning
Cleaning of glass, apartment windows, glass façades, conservatories and shop windows; on request, interior and exterior glass cleaning, glass and frame cleaning, including blinds or slats.
Facade cleaning
Cleaning of render, Eternit, concrete and metal façades; removal of algae, lichen, moss and soiling, including dirty-water collection and optional long-term protection.
Roller shutter cleaning
Cleaning of storen on site, inside and outside; removal of pollen, bird droppings, dust and nicotine with special equipment and pure water.
Roof cleaning
Cleaning of roofs and roof tiles; removal of moss, algae, leaves and soiling using cleaning agents and low- or high-pressure.
Solar cleaning / Photovoltaic cleaning
Cleaning of solar systems and photovoltaic systems with pure water or osmosis water; removal of dirt, lime deposits, bird droppings, leaves and moss.
Walkway slab cleaning
Cleaning of walkway slabs, paving stones, concrete slabs and natural stone slabs with pressure cleaner, brush or floor scrubber; optional filling of joints.
Concrete cleaning / Hydrophobing
Cleaning of concrete surfaces and concrete façades of green growth and soiling, followed by hydrophobing as a water-repellent surface protection.
Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle511
★TrustpilotSoon
PProvenExpertSoon

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Location

Oberrieterstrasse 55
9450 Altstätten Sg
Opening hours
Mon
08:30 - 11:45
Tue
08:30 - 11:45, 14:00 - 17:00
Wed
08:30 - 11:45
Thu
08:30 - 11:45, 14:00 - 17:00
Fri
08:30 - 11:45, 14:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-265.185.041
Founded
2021 · 5 years
Last commercial register change
February 18, 2025
Employees
1 to 10

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